/* ============ DRONEST — The Infinite Loop ============ */
:root {
  --bg: #232427;
  --bg-2: #2b2c30;
  --card: #333438;
  --line: #45464c;
  --text: #ececec;
  --muted: #b9bac0;
  --yellow: #ffd93b;
  --yellow-dim: #e0b915;
  --radius: 18px;
  --display: 'Comfortaa', system-ui, sans-serif;
  --body: 'Inter', system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.15; }
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); color: var(--yellow); }
h2 { font-size: clamp(2rem, 4.5vw, 3.2rem); color: var(--yellow); margin: 18px 0 20px; }
h3 { font-size: 1.15rem; color: var(--text); margin-bottom: 10px; }

/* ---------- chips & buttons ---------- */
.chip {
  display: inline-block;
  font-family: var(--display);
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--yellow);
  border: 1.5px solid var(--yellow);
  border-radius: 999px;
  padding: 7px 18px;
}
.btn {
  display: inline-block;
  font-family: var(--display);
  font-weight: 600;
  font-size: .95rem;
  padding: 14px 28px;
  border-radius: 999px;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn--solid { background: var(--yellow); color: #1c1c1c; }
.btn--solid:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(255, 217, 59, .25); }
.btn--ghost { border: 1.5px solid var(--line); color: var(--text); }
.btn--ghost:hover { border-color: var(--yellow); color: var(--yellow); transform: translateY(-3px); }
.btn--big { font-size: 1.15rem; padding: 18px 38px; }

/* ---------- nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px clamp(20px, 5vw, 64px);
  background: rgba(35, 36, 39, .82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(69, 70, 76, .5);
}
.nav__logo {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: .08em;
  color: var(--text);
}
.nav__dot { color: var(--yellow); }
.nav__links { display: flex; gap: clamp(14px, 2.5vw, 34px); }
.nav__links a {
  font-size: .9rem;
  color: var(--muted);
  transition: color .2s;
}
.nav__links a:hover { color: var(--yellow); }
.nav__cta { padding: 10px 22px; font-size: .85rem; }

/* ---------- hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  min-height: 100vh;
  padding: 120px clamp(20px, 5vw, 64px) 40px;
  gap: 40px;
}
.hero__sub {
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 34rem;
  margin: 24px 0 34px;
}
.hero h1 { margin-top: 22px; }
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__img { position: relative; border-radius: var(--radius); overflow: hidden; max-height: 78vh; }
.hero__img img {
  width: 100%; height: 100%; object-fit: cover;
  animation: kenburns 22s ease-in-out infinite alternate;
}
.hero__img-fade {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--bg) 0%, transparent 30%);
  pointer-events: none;
}
@keyframes kenburns {
  from { transform: scale(1) translateY(0); }
  to   { transform: scale(1.08) translateY(-12px); }
}

/* ---------- ticker ---------- */
.ticker {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
  padding: 16px 0;
  white-space: nowrap;
}
.ticker__track {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  animation: ticker 36s linear infinite;
}
.ticker__track span {
  font-family: var(--display);
  font-size: .85rem;
  letter-spacing: .14em;
  color: var(--muted);
}
.ticker__track i { color: var(--yellow); font-style: normal; }
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- sections ---------- */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(70px, 10vw, 130px) clamp(20px, 5vw, 64px);
}
.section--wide { max-width: 1300px; }
.section__lead {
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 44rem;
  margin-bottom: 46px;
}

/* ---------- cards ---------- */
.cards3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card {
  background: var(--card);
  border-radius: var(--radius);
  border-left: 5px solid var(--yellow);
  padding: 30px 26px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0, 0, 0, .35); }
.card p { color: var(--muted); font-size: .97rem; }
.card--slim { padding: 22px 22px; }

/* ---------- split layout ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  margin-top: 20px;
}
.split--rev .split__img { order: 2; }
.split__img { border-radius: var(--radius); overflow: hidden; }
.split__img img { transition: transform .6s ease; }
.split__img:hover img { transform: scale(1.04); }
.feature { padding: 18px 0; border-bottom: 1px solid var(--line); }
.feature:last-child { border-bottom: none; }
.feature p { color: var(--muted); font-size: .97rem; }

/* ---------- dock stage ---------- */
.dockstage {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  margin-bottom: 26px;
}
.dockstage svg { width: 100%; height: auto; display: block; }
.dockstage__notes { margin-top: 26px; }

/* --- docking animation (14s master loop) --- */
.drone {
  transform: translate(500px, 205px); /* static fallback = docked position (reduced motion) */
  animation: droneFly 14s ease-in-out infinite;
}
@keyframes droneFly {
  0%   { transform: translate(-160px, 330px); }
  22%  { transform: translate(500px, 330px); }   /* approach: centered under dock */
  32%  { transform: translate(500px, 205px); }   /* rise to mate */
  74%  { transform: translate(500px, 205px); }   /* docked & charging */
  84%  { transform: translate(500px, 330px); }   /* descend */
  100% { transform: translate(1180px, 310px); }  /* depart right */
}
.drone-bob { animation: bob 2.6s ease-in-out infinite; }
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(5px); }
}
.rotor { animation: rotorFlick .22s linear infinite; transform-origin: -128px -60px; }
.rotor.r2 { transform-origin: 128px -60px; }
@keyframes rotorFlick {
  0%, 100% { opacity: .85; transform: scaleX(1); }
  50%      { opacity: .35; transform: scaleX(.72); }
}
.dock-head {
  transform: translateY(28px); /* static fallback = extended/mated (reduced motion) */
  animation: dockHead 14s ease-in-out infinite;
}
@keyframes dockHead {
  0%, 24%  { transform: translateY(0); }
  32%, 74% { transform: translateY(28px); }  /* extend down to mate */
  82%, 100%{ transform: translateY(0); }
}
.beam { opacity: 0; animation: beam 14s linear infinite; }
@keyframes beam {
  0%, 10%  { opacity: 0; }
  16%, 30% { opacity: 1; }
  36%, 100%{ opacity: 0; }
}
.contact-led { animation: led 1s ease-in-out infinite; }
.contact-led.led2 { animation-delay: .5s; }
@keyframes led {
  0%, 100% { opacity: .35; }
  50%      { opacity: 1; }
}
.pulse { opacity: 0; }
.pulse.p1 { animation: pulseDown 14s linear infinite; }
.pulse.p2 { animation: pulseDown 14s linear infinite; animation-delay: .5s; }
.pulse.p3 { animation: pulseDown 14s linear infinite; animation-delay: 1s; }
@keyframes pulseDown {
  0%, 34%   { opacity: 0; transform: translateY(0); }
  35%       { opacity: 1; transform: translateY(20px); }
  39%       { opacity: 0; transform: translateY(85px); }
  40%, 45%  { opacity: 0; transform: translateY(0); }
  46%       { opacity: 1; transform: translateY(20px); }
  50%       { opacity: 0; transform: translateY(85px); }
  51%, 56%  { opacity: 0; transform: translateY(0); }
  57%       { opacity: 1; transform: translateY(20px); }
  61%       { opacity: 0; transform: translateY(85px); }
  62%, 67%  { opacity: 0; transform: translateY(0); }
  68%       { opacity: 1; transform: translateY(20px); }
  72%       { opacity: 0; transform: translateY(85px); }
  73%, 100% { opacity: 0; transform: translateY(0); }
}
.gauge { animation: gauge 14s linear infinite; }
@keyframes gauge {
  0%, 33%  { width: 10px; }
  72%, 84% { width: 56px; }
  100%     { width: 56px; }
}
.cap { opacity: 0; }
.cap1 { animation: cap 14s linear infinite; }
.cap2 { animation: cap 14s linear infinite; animation-delay: 3.1s; }
.cap3 { animation: cap 14s linear infinite; animation-delay: 5.6s; }
.cap4 { animation: cap 14s linear infinite; animation-delay: 11.2s; }
@keyframes cap {
  0%, 2%   { opacity: 0; }
  6%, 16%  { opacity: 1; }
  20%, 100%{ opacity: 0; }
}
.cap3 { animation-name: capLong; }
@keyframes capLong {
  0%, 2%   { opacity: 0; }
  6%, 36%  { opacity: 1; }
  40%, 100%{ opacity: 0; }
}

/* ---------- stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin: 20px 0 50px;
}
.stat {
  background: var(--card);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
}
.stat__num {
  font-family: var(--display);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--yellow);
}
.stat__label { color: var(--muted); font-size: .9rem; margin-top: 8px; }

/* ---------- comparison ---------- */
.compare {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.compare__row {
  display: grid;
  grid-template-columns: .7fr 1fr 1fr;
  gap: 12px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  font-size: .97rem;
  color: var(--muted);
}
.compare__row:last-child { border-bottom: none; }
.compare__row--head {
  background: var(--bg-2);
  font-family: var(--display);
  font-size: .82rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text);
}
.compare__row .hl { color: var(--yellow); font-weight: 600; }

/* ---------- contact & footer ---------- */
.contact { text-align: center; }
.contact .section__lead { margin-left: auto; margin-right: auto; }
.contact .hero__cta { justify-content: center; }
.footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 28px clamp(20px, 5vw, 64px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .85rem;
}
.footer a:hover { color: var(--yellow); }

/* ---------- scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: .12s; }
.reveal.d2 { transition-delay: .24s; }
.reveal.d3 { transition-delay: .36s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 100px; min-height: auto; }
  .hero__img { max-height: 48vh; }
  .cards3 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split--rev .split__img { order: 0; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .nav__links { display: none; }
  .compare__row { grid-template-columns: 1fr; gap: 4px; }
  .compare__row--head { display: none; }
  .compare__row span:first-child {
    font-family: var(--display);
    color: var(--text);
    text-transform: uppercase;
    font-size: .78rem;
    letter-spacing: .1em;
  }
}